The Ohlins SU2090 STX 46 MX is a rear mono shock absorber developed for the Suzuki RM 85. It is built around a gas-pressurised, oil/gas separated design to help maintain damping consistency during motocross use. This unit is supplied without a spring, with spring selection sold separately as noted.

Ohlins | Made to race, perfected to ride

STX 46 MX shocks are designed to deliver controlled damping behaviour and clear chassis feedback for off-road racing conditions. The focus is on predictable grip and stability so the bike can be ridden accurately through changing track surfaces.

Shock design & features

  • Rear mono shock absorber for motocross application
  • Gas-pressurised architecture with oil/gas separation to support consistent performance
  • Developed from Ohlins racing suspension experience for MX use

Tuning controls

  • Compression damping adjustment
  • Rebound damping adjustment

Before you install

  • No spring is supplied; choose and purchase a suitable spring separately (see notes)
  • Confirm fitment for your Suzuki RM 85 and check any replacement/supersession notes (this item is noted as replaced by SU 2190)
  • Use the recommended Ohlins oil as specified for servicing

Serviceability/lifecycle

This is a fully serviceable Ohlins shock absorber intended for regular maintenance. Keeping the oil and wear components in good condition is important for consistent damping and seal life in motocross environments.

SKU SU2090
Model # T30PR1C1W
Barcode # SU2090
Brand Ohlins
Shipping Weight 5.0000kg
Shipping Size 0.300 x 0.300 x 0.500m
Type Units
See our Shipping Information See our Frequently Asked Questions
Position (Front or Rear) Rear Mono
spring rate No Spring/s Supplied
Type Code T30PR1C1W
Product Family STX 46 MX
Notes *Replaced by SU 2190*
Fitted Spring: Sold separately, see notes.
Rec. Ohlins Oil 01304-

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